Evolutionary Digital Filtering Based on the Cloning and Mating Reproduction

Masahide ABE, Masayuki KAWAMATA, Tatsuo HIGUCHI

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Summary :

This letter proposes evolutionary digital filters (EDFs) as new adaptive digital filters. The EDF is an adaptive filter which is controlled by adaptive algorithm based on the evolutionary strategies of living things. It consists of many linear/time-variant inner digital filters which correspond to individuals. The adaptive algorithm of the EDF controls and changes the coefficients of inner filters using the cloning method (the asexual reproduction method) or the mating method (the sexual reproduction method). Thus, the search algorithm of the EDF is a non-gradient and multi-point search algorithm. Numerical examples are given to show the effectiveness and features of the EDF such that they are not susceptible to local minimum in the multiple-peak performance surface.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E79-A No.3 pp.370-373
Publication Date
1996/03/25
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Type of Manuscript
Special Section LETTER (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems)
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